London: City of London police said they were investigating a suspect package found in the British financial hub on Tuesday.
"Cordons in place in the Moorgate area due to suspect package found. Officers on scene," the police said on Twitter.
The City of London, which administers the business district known as the "Square Mile", said streets in the area had been closed off.
On social media, several users said they had been asked to remain inside their offices.
Major banks and insurance companies have their headquarters in the area.